This is the 5375th most frequent Arabic word.
حددتها
"حددتها" means "I/you/she defined/determined it."
In this sentence, "حددتها" refers to the act of marking or identifying a specific location on the map.
لقد حددتها على الخريطة لكي أسهل العثور عليها.
I marked it on the map to make it easier to find.
Here, "حددتها" means that the speaker selected or determined it as a choice.
بعد أن رأيت الخيارات، حددتها كأفضل اختيار.
After seeing the options, I chose it as the best selection.
In this context, "حددتها" conveys the action of designating or categorizing the message as unwanted mail.